The duel between Floyd Mayweather Jr and Marcos Maidana at the MGM Grand Garden Arena in Las Vegas. Justin Bieberwas in the entourage of stars who supported the boxer Floyd Mayweather, alongside the rapper Lil Wayne posed next to them backstage at the event, minutes before escorting the champion to the ring. Among the friends who were watching the fight with Justin, was a founder of Shots, John Shahidi, the Model 18, Yovanna Ventura and TV star, Kylie Jenner, 17.